JB FastVac DV-142 splined flexible coupler

JB FastVac DV-142 splined flexible coupler

thingiverse

The flexible coupler on both our DV-142 roughing pumps suddenly broke apart. A solid version was then printed out, but the misalignment of the shaft caused an extremely high level of vibration. The "spider" version successfully reduced this excessive vibration significantly. 100% infill is highly recommended for this part because it is subjected to a tremendous amount of torque.

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